Base | Representation |
---|---|
bin | 100110110110… |
… | …1111100110001 |
3 | 1102100001220120 |
4 | 1031231330301 |
5 | 20203421142 |
6 | 2004400453 |
7 | 335112240 |
oct | 115557461 |
9 | 42301816 |
10 | 20373297 |
11 | 1055583a |
12 | 69a6129 |
13 | 42b4309 |
14 | 29c4957 |
15 | 1bc67ec |
hex | 136df31 |
20373297 has 16 divisors (see below), whose sum is σ = 31349760. Its totient is φ = 11527632.
The previous prime is 20373289. The next prime is 20373317. The reversal of 20373297 is 79237302.
It is not a de Polignac number, because 20373297 - 23 = 20373289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20373247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2547 + ... + 6872.
It is an arithmetic number, because the mean of its divisors is an integer number (1959360).
Almost surely, 220373297 is an apocalyptic number.
It is an amenable number.
20373297 is a deficient number, since it is larger than the sum of its proper divisors (10976463).
20373297 is a wasteful number, since it uses less digits than its factorization.
20373297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9532.
The product of its (nonzero) digits is 15876, while the sum is 33.
The square root of 20373297 is about 4513.6788764820. The cubic root of 20373297 is about 273.1201687552.
The spelling of 20373297 in words is "twenty million, three hundred seventy-three thousand, two hundred ninety-seven".
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